Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
990a07ab AC |
2 | |
3 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, | |
4 | 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 | |
c906108c SS |
5 | Free Software Foundation, Inc. |
6 | ||
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b JM |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
23 | |
24 | #include "defs.h" | |
25 | #include <signal.h> | |
26 | #include "gdb_string.h" | |
27 | #include "symtab.h" | |
28 | #include "gdbtypes.h" | |
29 | #include "frame.h" | |
30 | #include "inferior.h" | |
31 | #include "environ.h" | |
32 | #include "value.h" | |
33 | #include "gdbcmd.h" | |
1adeb98a | 34 | #include "symfile.h" |
c906108c SS |
35 | #include "gdbcore.h" |
36 | #include "target.h" | |
37 | #include "language.h" | |
38 | #include "symfile.h" | |
39 | #include "objfiles.h" | |
c94fdfd0 | 40 | #include "completer.h" |
8b93c638 | 41 | #include "ui-out.h" |
6426a772 | 42 | #include "event-top.h" |
96baa820 | 43 | #include "parser-defs.h" |
36160dc4 | 44 | #include "regcache.h" |
f9418c0f | 45 | #include "reggroups.h" |
fe898f56 | 46 | #include "block.h" |
f9418c0f | 47 | #include <ctype.h> |
92ad9cd9 | 48 | #include "gdb_assert.h" |
72cec141 | 49 | |
a58dd373 | 50 | /* Functions exported for general use, in inferior.h: */ |
c906108c | 51 | |
a14ed312 | 52 | void all_registers_info (char *, int); |
c906108c | 53 | |
a14ed312 | 54 | void registers_info (char *, int); |
c906108c | 55 | |
a58dd373 EZ |
56 | void nexti_command (char *, int); |
57 | ||
58 | void stepi_command (char *, int); | |
c906108c | 59 | |
a14ed312 | 60 | void continue_command (char *, int); |
c906108c | 61 | |
a58dd373 EZ |
62 | void interrupt_target_command (char *args, int from_tty); |
63 | ||
64 | /* Local functions: */ | |
65 | ||
66 | static void nofp_registers_info (char *, int); | |
67 | ||
11cf8741 JM |
68 | static void print_return_value (int struct_return, struct type *value_type); |
69 | ||
a14ed312 | 70 | static void finish_command_continuation (struct continuation_arg *); |
43ff13b4 | 71 | |
a14ed312 | 72 | static void until_next_command (int); |
c906108c | 73 | |
a14ed312 | 74 | static void until_command (char *, int); |
c906108c | 75 | |
a14ed312 | 76 | static void path_info (char *, int); |
c906108c | 77 | |
a14ed312 | 78 | static void path_command (char *, int); |
c906108c | 79 | |
a14ed312 | 80 | static void unset_command (char *, int); |
c906108c | 81 | |
a14ed312 | 82 | static void float_info (char *, int); |
c906108c | 83 | |
a14ed312 | 84 | static void detach_command (char *, int); |
c906108c | 85 | |
6ad8ae5c DJ |
86 | static void disconnect_command (char *, int); |
87 | ||
a14ed312 | 88 | static void unset_environment_command (char *, int); |
c906108c | 89 | |
a14ed312 | 90 | static void set_environment_command (char *, int); |
c906108c | 91 | |
a14ed312 | 92 | static void environment_info (char *, int); |
c906108c | 93 | |
a14ed312 | 94 | static void program_info (char *, int); |
c906108c | 95 | |
a14ed312 | 96 | static void finish_command (char *, int); |
c906108c | 97 | |
a14ed312 | 98 | static void signal_command (char *, int); |
c906108c | 99 | |
a14ed312 | 100 | static void jump_command (char *, int); |
c906108c | 101 | |
a14ed312 | 102 | static void step_1 (int, int, char *); |
c2d11a7d JM |
103 | static void step_once (int skip_subroutines, int single_inst, int count); |
104 | static void step_1_continuation (struct continuation_arg *arg); | |
c906108c | 105 | |
a14ed312 | 106 | static void next_command (char *, int); |
c906108c | 107 | |
a14ed312 | 108 | static void step_command (char *, int); |
c906108c | 109 | |
a14ed312 | 110 | static void run_command (char *, int); |
c906108c | 111 | |
a14ed312 | 112 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 113 | |
a14ed312 | 114 | static void go_command (char *line_no, int from_tty); |
392a587b | 115 | |
a14ed312 | 116 | static int strip_bg_char (char **); |
43ff13b4 | 117 | |
a14ed312 | 118 | void _initialize_infcmd (void); |
c906108c SS |
119 | |
120 | #define GO_USAGE "Usage: go <location>\n" | |
121 | ||
c906108c | 122 | #define ERROR_NO_INFERIOR \ |
8a3fe4f8 | 123 | if (!target_has_execution) error (_("The program is not being run.")); |
c906108c SS |
124 | |
125 | /* String containing arguments to give to the program, separated by spaces. | |
126 | Empty string (pointer to '\0') means no args. */ | |
127 | ||
128 | static char *inferior_args; | |
129 | ||
552c04a7 TT |
130 | /* The inferior arguments as a vector. If INFERIOR_ARGC is nonzero, |
131 | then we must compute INFERIOR_ARGS from this (via the target). */ | |
132 | ||
133 | static int inferior_argc; | |
134 | static char **inferior_argv; | |
135 | ||
c906108c SS |
136 | /* File name for default use for standard in/out in the inferior. */ |
137 | ||
138 | char *inferior_io_terminal; | |
139 | ||
140 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
141 | Since various parts of infrun.c test this to see whether there is a program | |
142 | being debugged it should be nonzero (currently 3 is used) for remote | |
143 | debugging. */ | |
144 | ||
39f77062 | 145 | ptid_t inferior_ptid; |
c906108c SS |
146 | |
147 | /* Last signal that the inferior received (why it stopped). */ | |
148 | ||
149 | enum target_signal stop_signal; | |
150 | ||
151 | /* Address at which inferior stopped. */ | |
152 | ||
153 | CORE_ADDR stop_pc; | |
154 | ||
155 | /* Chain containing status of breakpoint(s) that we have stopped at. */ | |
156 | ||
157 | bpstat stop_bpstat; | |
158 | ||
159 | /* Flag indicating that a command has proceeded the inferior past the | |
160 | current breakpoint. */ | |
161 | ||
162 | int breakpoint_proceeded; | |
163 | ||
164 | /* Nonzero if stopped due to a step command. */ | |
165 | ||
166 | int stop_step; | |
167 | ||
168 | /* Nonzero if stopped due to completion of a stack dummy routine. */ | |
169 | ||
170 | int stop_stack_dummy; | |
171 | ||
172 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
173 | process. */ | |
174 | ||
175 | int stopped_by_random_signal; | |
176 | ||
177 | /* Range to single step within. | |
178 | If this is nonzero, respond to a single-step signal | |
179 | by continuing to step if the pc is in this range. */ | |
180 | ||
c5aa993b JM |
181 | CORE_ADDR step_range_start; /* Inclusive */ |
182 | CORE_ADDR step_range_end; /* Exclusive */ | |
c906108c SS |
183 | |
184 | /* Stack frame address as of when stepping command was issued. | |
185 | This is how we know when we step into a subroutine call, | |
186 | and how to set the frame for the breakpoint used to step out. */ | |
187 | ||
aa0cd9c1 | 188 | struct frame_id step_frame_id; |
c906108c | 189 | |
5fbbeb29 | 190 | enum step_over_calls_kind step_over_calls; |
c906108c SS |
191 | |
192 | /* If stepping, nonzero means step count is > 1 | |
193 | so don't print frame next time inferior stops | |
194 | if it stops due to stepping. */ | |
195 | ||
196 | int step_multi; | |
197 | ||
198 | /* Environment to use for running inferior, | |
199 | in format described in environ.h. */ | |
200 | ||
1bf1958d | 201 | struct gdb_environ *inferior_environ; |
c906108c | 202 | \f |
07091751 FN |
203 | /* Accessor routines. */ |
204 | ||
205 | char * | |
206 | get_inferior_args (void) | |
207 | { | |
552c04a7 TT |
208 | if (inferior_argc != 0) |
209 | { | |
210 | char *n, *old; | |
211 | ||
212 | n = gdbarch_construct_inferior_arguments (current_gdbarch, | |
213 | inferior_argc, inferior_argv); | |
214 | old = set_inferior_args (n); | |
215 | xfree (old); | |
216 | } | |
217 | ||
218 | if (inferior_args == NULL) | |
219 | inferior_args = xstrdup (""); | |
220 | ||
07091751 FN |
221 | return inferior_args; |
222 | } | |
223 | ||
224 | char * | |
225 | set_inferior_args (char *newargs) | |
226 | { | |
227 | char *saved_args = inferior_args; | |
228 | ||
229 | inferior_args = newargs; | |
552c04a7 TT |
230 | inferior_argc = 0; |
231 | inferior_argv = 0; | |
07091751 FN |
232 | |
233 | return saved_args; | |
234 | } | |
c5aa993b | 235 | |
552c04a7 TT |
236 | void |
237 | set_inferior_args_vector (int argc, char **argv) | |
238 | { | |
239 | inferior_argc = argc; | |
240 | inferior_argv = argv; | |
241 | } | |
242 | ||
243 | /* Notice when `set args' is run. */ | |
244 | static void | |
245 | notice_args_set (char *args, int from_tty, struct cmd_list_element *c) | |
246 | { | |
247 | inferior_argc = 0; | |
248 | inferior_argv = 0; | |
249 | } | |
250 | ||
251 | /* Notice when `show args' is run. */ | |
252 | static void | |
b4b4ac0b AC |
253 | notice_args_read (struct ui_file *file, int from_tty, |
254 | struct cmd_list_element *c, const char *value) | |
552c04a7 | 255 | { |
b4b4ac0b | 256 | deprecated_show_value_hack (file, from_tty, c, value); |
552c04a7 TT |
257 | /* Might compute the value. */ |
258 | get_inferior_args (); | |
259 | } | |
260 | ||
c2a727fa TT |
261 | \f |
262 | /* Compute command-line string given argument vector. This does the | |
263 | same shell processing as fork_inferior. */ | |
c2a727fa TT |
264 | char * |
265 | construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv) | |
266 | { | |
267 | char *result; | |
268 | ||
269 | if (STARTUP_WITH_SHELL) | |
270 | { | |
271 | /* This holds all the characters considered special to the | |
272 | typical Unix shells. We include `^' because the SunOS | |
273 | /bin/sh treats it as a synonym for `|'. */ | |
274 | char *special = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n"; | |
275 | int i; | |
276 | int length = 0; | |
277 | char *out, *cp; | |
278 | ||
279 | /* We over-compute the size. It shouldn't matter. */ | |
280 | for (i = 0; i < argc; ++i) | |
03c6228e | 281 | length += 2 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
282 | |
283 | result = (char *) xmalloc (length); | |
284 | out = result; | |
285 | ||
286 | for (i = 0; i < argc; ++i) | |
287 | { | |
288 | if (i > 0) | |
289 | *out++ = ' '; | |
290 | ||
03c6228e AS |
291 | /* Need to handle empty arguments specially. */ |
292 | if (argv[i][0] == '\0') | |
c2a727fa | 293 | { |
03c6228e AS |
294 | *out++ = '\''; |
295 | *out++ = '\''; | |
296 | } | |
297 | else | |
298 | { | |
299 | for (cp = argv[i]; *cp; ++cp) | |
300 | { | |
301 | if (strchr (special, *cp) != NULL) | |
302 | *out++ = '\\'; | |
303 | *out++ = *cp; | |
304 | } | |
c2a727fa TT |
305 | } |
306 | } | |
307 | *out = '\0'; | |
308 | } | |
309 | else | |
310 | { | |
311 | /* In this case we can't handle arguments that contain spaces, | |
312 | tabs, or newlines -- see breakup_args(). */ | |
313 | int i; | |
314 | int length = 0; | |
315 | ||
316 | for (i = 0; i < argc; ++i) | |
317 | { | |
318 | char *cp = strchr (argv[i], ' '); | |
319 | if (cp == NULL) | |
320 | cp = strchr (argv[i], '\t'); | |
321 | if (cp == NULL) | |
322 | cp = strchr (argv[i], '\n'); | |
323 | if (cp != NULL) | |
8a3fe4f8 | 324 | error (_("can't handle command-line argument containing whitespace")); |
c2a727fa TT |
325 | length += strlen (argv[i]) + 1; |
326 | } | |
327 | ||
328 | result = (char *) xmalloc (length); | |
329 | result[0] = '\0'; | |
330 | for (i = 0; i < argc; ++i) | |
331 | { | |
332 | if (i > 0) | |
333 | strcat (result, " "); | |
334 | strcat (result, argv[i]); | |
335 | } | |
336 | } | |
337 | ||
338 | return result; | |
339 | } | |
552c04a7 TT |
340 | \f |
341 | ||
43ff13b4 JM |
342 | /* This function detects whether or not a '&' character (indicating |
343 | background execution) has been added as *the last* of the arguments ARGS | |
344 | of a command. If it has, it removes it and returns 1. Otherwise it | |
345 | does nothing and returns 0. */ | |
c5aa993b | 346 | static int |
fba45db2 | 347 | strip_bg_char (char **args) |
43ff13b4 JM |
348 | { |
349 | char *p = NULL; | |
c5aa993b | 350 | |
9846de1b | 351 | p = strchr (*args, '&'); |
c5aa993b | 352 | |
9846de1b | 353 | if (p) |
43ff13b4 JM |
354 | { |
355 | if (p == (*args + strlen (*args) - 1)) | |
356 | { | |
c5aa993b | 357 | if (strlen (*args) > 1) |
43ff13b4 JM |
358 | { |
359 | do | |
360 | p--; | |
361 | while (*p == ' ' || *p == '\t'); | |
362 | *(p + 1) = '\0'; | |
363 | } | |
364 | else | |
365 | *args = 0; | |
366 | return 1; | |
367 | } | |
368 | } | |
369 | return 0; | |
370 | } | |
371 | ||
c906108c | 372 | void |
fba45db2 | 373 | tty_command (char *file, int from_tty) |
c906108c SS |
374 | { |
375 | if (file == 0) | |
e2e0b3e5 | 376 | error_no_arg (_("terminal name for running target process")); |
c906108c SS |
377 | |
378 | inferior_io_terminal = savestring (file, strlen (file)); | |
379 | } | |
380 | ||
a4d5f2e0 JB |
381 | /* Kill the inferior if already running. This function is designed |
382 | to be called when we are about to start the execution of the program | |
383 | from the beginning. Ask the user to confirm that he wants to restart | |
384 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 385 | |
a4d5f2e0 JB |
386 | void |
387 | kill_if_already_running (int from_tty) | |
388 | { | |
39f77062 | 389 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 390 | { |
adf40b2e JM |
391 | if (from_tty |
392 | && !query ("The program being debugged has been started already.\n\ | |
c906108c | 393 | Start it from the beginning? ")) |
8a3fe4f8 | 394 | error (_("Program not restarted.")); |
c906108c SS |
395 | target_kill (); |
396 | #if defined(SOLIB_RESTART) | |
397 | SOLIB_RESTART (); | |
398 | #endif | |
399 | init_wait_for_inferior (); | |
400 | } | |
a4d5f2e0 JB |
401 | } |
402 | ||
f67a969f JB |
403 | /* Implement the "run" command. If TBREAK_AT_MAIN is set, then insert |
404 | a temporary breakpoint at the begining of the main program before | |
405 | running the program. */ | |
406 | ||
a4d5f2e0 | 407 | static void |
f67a969f | 408 | run_command_1 (char *args, int from_tty, int tbreak_at_main) |
a4d5f2e0 JB |
409 | { |
410 | char *exec_file; | |
c906108c | 411 | |
a4d5f2e0 JB |
412 | dont_repeat (); |
413 | ||
414 | kill_if_already_running (from_tty); | |
c906108c SS |
415 | clear_breakpoint_hit_counts (); |
416 | ||
c906108c SS |
417 | /* Purge old solib objfiles. */ |
418 | objfile_purge_solibs (); | |
419 | ||
420 | do_run_cleanups (NULL); | |
421 | ||
39ad761d JB |
422 | /* The comment here used to read, "The exec file is re-read every |
423 | time we do a generic_mourn_inferior, so we just have to worry | |
424 | about the symbol file." The `generic_mourn_inferior' function | |
425 | gets called whenever the program exits. However, suppose the | |
426 | program exits, and *then* the executable file changes? We need | |
427 | to check again here. Since reopen_exec_file doesn't do anything | |
428 | if the timestamp hasn't changed, I don't see the harm. */ | |
429 | reopen_exec_file (); | |
c906108c SS |
430 | reread_symbols (); |
431 | ||
f67a969f JB |
432 | /* Insert the temporary breakpoint if a location was specified. */ |
433 | if (tbreak_at_main) | |
434 | tbreak_command (main_name (), 0); | |
435 | ||
39ad761d JB |
436 | exec_file = (char *) get_exec_file (0); |
437 | ||
c906108c SS |
438 | /* We keep symbols from add-symbol-file, on the grounds that the |
439 | user might want to add some symbols before running the program | |
440 | (right?). But sometimes (dynamic loading where the user manually | |
441 | introduces the new symbols with add-symbol-file), the code which | |
442 | the symbols describe does not persist between runs. Currently | |
443 | the user has to manually nuke all symbols between runs if they | |
444 | want them to go away (PR 2207). This is probably reasonable. */ | |
445 | ||
43ff13b4 | 446 | if (!args) |
6426a772 | 447 | { |
362646f5 | 448 | if (target_can_async_p ()) |
6426a772 JM |
449 | async_disable_stdin (); |
450 | } | |
43ff13b4 | 451 | else |
c906108c | 452 | { |
43ff13b4 JM |
453 | int async_exec = strip_bg_char (&args); |
454 | ||
455 | /* If we get a request for running in the bg but the target | |
456 | doesn't support it, error out. */ | |
362646f5 | 457 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 458 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
459 | |
460 | /* If we don't get a request of running in the bg, then we need | |
c5aa993b | 461 | to simulate synchronous (fg) execution. */ |
362646f5 | 462 | if (!async_exec && target_can_async_p ()) |
43ff13b4 JM |
463 | { |
464 | /* Simulate synchronous execution */ | |
6426a772 | 465 | async_disable_stdin (); |
43ff13b4 JM |
466 | } |
467 | ||
468 | /* If there were other args, beside '&', process them. */ | |
469 | if (args) | |
470 | { | |
07091751 FN |
471 | char *old_args = set_inferior_args (xstrdup (args)); |
472 | xfree (old_args); | |
43ff13b4 | 473 | } |
c906108c SS |
474 | } |
475 | ||
476 | if (from_tty) | |
477 | { | |
8b93c638 JM |
478 | ui_out_field_string (uiout, NULL, "Starting program"); |
479 | ui_out_text (uiout, ": "); | |
480 | if (exec_file) | |
481 | ui_out_field_string (uiout, "execfile", exec_file); | |
482 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
483 | /* We call get_inferior_args() because we might need to compute |
484 | the value now. */ | |
485 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
486 | ui_out_text (uiout, "\n"); |
487 | ui_out_flush (uiout); | |
c906108c SS |
488 | } |
489 | ||
552c04a7 TT |
490 | /* We call get_inferior_args() because we might need to compute |
491 | the value now. */ | |
492 | target_create_inferior (exec_file, get_inferior_args (), | |
c27cda74 | 493 | environ_vector (inferior_environ), from_tty); |
c906108c SS |
494 | } |
495 | ||
496 | ||
f67a969f JB |
497 | static void |
498 | run_command (char *args, int from_tty) | |
499 | { | |
500 | run_command_1 (args, from_tty, 0); | |
501 | } | |
502 | ||
c906108c | 503 | static void |
fba45db2 | 504 | run_no_args_command (char *args, int from_tty) |
c906108c | 505 | { |
07091751 FN |
506 | char *old_args = set_inferior_args (xstrdup ("")); |
507 | xfree (old_args); | |
c906108c | 508 | } |
c906108c | 509 | \f |
c5aa993b | 510 | |
a4d5f2e0 JB |
511 | /* Start the execution of the program up until the beginning of the main |
512 | program. */ | |
513 | ||
514 | static void | |
515 | start_command (char *args, int from_tty) | |
516 | { | |
517 | /* Some languages such as Ada need to search inside the program | |
518 | minimal symbols for the location where to put the temporary | |
519 | breakpoint before starting. */ | |
520 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 521 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 522 | |
f67a969f JB |
523 | /* Run the program until reaching the main procedure... */ |
524 | run_command_1 (args, from_tty, 1); | |
a4d5f2e0 JB |
525 | } |
526 | ||
c906108c | 527 | void |
fba45db2 | 528 | continue_command (char *proc_count_exp, int from_tty) |
c906108c | 529 | { |
c5aa993b | 530 | int async_exec = 0; |
c906108c SS |
531 | ERROR_NO_INFERIOR; |
532 | ||
43ff13b4 JM |
533 | /* Find out whether we must run in the background. */ |
534 | if (proc_count_exp != NULL) | |
535 | async_exec = strip_bg_char (&proc_count_exp); | |
536 | ||
537 | /* If we must run in the background, but the target can't do it, | |
538 | error out. */ | |
362646f5 | 539 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 540 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
541 | |
542 | /* If we are not asked to run in the bg, then prepare to run in the | |
543 | foreground, synchronously. */ | |
362646f5 | 544 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 545 | { |
43ff13b4 | 546 | /* Simulate synchronous execution */ |
6426a772 | 547 | async_disable_stdin (); |
43ff13b4 | 548 | } |
c906108c | 549 | |
43ff13b4 JM |
550 | /* If have argument (besides '&'), set proceed count of breakpoint |
551 | we stopped at. */ | |
c906108c SS |
552 | if (proc_count_exp != NULL) |
553 | { | |
554 | bpstat bs = stop_bpstat; | |
555 | int num = bpstat_num (&bs); | |
556 | if (num == 0 && from_tty) | |
557 | { | |
558 | printf_filtered | |
559 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
560 | } | |
561 | while (num != 0) | |
562 | { | |
563 | set_ignore_count (num, | |
bb518678 | 564 | parse_and_eval_long (proc_count_exp) - 1, |
c906108c SS |
565 | from_tty); |
566 | /* set_ignore_count prints a message ending with a period. | |
567 | So print two spaces before "Continuing.". */ | |
568 | if (from_tty) | |
569 | printf_filtered (" "); | |
570 | num = bpstat_num (&bs); | |
571 | } | |
572 | } | |
573 | ||
574 | if (from_tty) | |
a3f17187 | 575 | printf_filtered (_("Continuing.\n")); |
c906108c SS |
576 | |
577 | clear_proceed_status (); | |
578 | ||
2acceee2 | 579 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c SS |
580 | } |
581 | \f | |
582 | /* Step until outside of current statement. */ | |
583 | ||
c906108c | 584 | static void |
fba45db2 | 585 | step_command (char *count_string, int from_tty) |
c906108c SS |
586 | { |
587 | step_1 (0, 0, count_string); | |
588 | } | |
589 | ||
590 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
591 | ||
c906108c | 592 | static void |
fba45db2 | 593 | next_command (char *count_string, int from_tty) |
c906108c SS |
594 | { |
595 | step_1 (1, 0, count_string); | |
596 | } | |
597 | ||
598 | /* Likewise, but step only one instruction. */ | |
599 | ||
c906108c | 600 | void |
fba45db2 | 601 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
602 | { |
603 | step_1 (0, 1, count_string); | |
604 | } | |
605 | ||
c906108c | 606 | void |
fba45db2 | 607 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
608 | { |
609 | step_1 (1, 1, count_string); | |
610 | } | |
611 | ||
74b7792f AC |
612 | static void |
613 | disable_longjmp_breakpoint_cleanup (void *ignore) | |
614 | { | |
615 | disable_longjmp_breakpoint (); | |
616 | } | |
617 | ||
c906108c | 618 | static void |
fba45db2 | 619 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 620 | { |
52f0bd74 | 621 | int count = 1; |
c906108c SS |
622 | struct frame_info *frame; |
623 | struct cleanup *cleanups = 0; | |
43ff13b4 | 624 | int async_exec = 0; |
c5aa993b | 625 | |
c906108c | 626 | ERROR_NO_INFERIOR; |
43ff13b4 JM |
627 | |
628 | if (count_string) | |
629 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 630 | |
43ff13b4 JM |
631 | /* If we get a request for running in the bg but the target |
632 | doesn't support it, error out. */ | |
362646f5 | 633 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 634 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
635 | |
636 | /* If we don't get a request of running in the bg, then we need | |
637 | to simulate synchronous (fg) execution. */ | |
362646f5 | 638 | if (!async_exec && target_can_async_p ()) |
43ff13b4 JM |
639 | { |
640 | /* Simulate synchronous execution */ | |
6426a772 | 641 | async_disable_stdin (); |
43ff13b4 JM |
642 | } |
643 | ||
bb518678 | 644 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 645 | |
c5aa993b | 646 | if (!single_inst || skip_subroutines) /* leave si command alone */ |
c906108c | 647 | { |
c5aa993b | 648 | enable_longjmp_breakpoint (); |
362646f5 | 649 | if (!target_can_async_p ()) |
74b7792f | 650 | cleanups = make_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d | 651 | else |
74b7792f | 652 | make_exec_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d JM |
653 | } |
654 | ||
655 | /* In synchronous case, all is well, just use the regular for loop. */ | |
362646f5 | 656 | if (!target_can_async_p ()) |
c2d11a7d JM |
657 | { |
658 | for (; count > 0; count--) | |
659 | { | |
660 | clear_proceed_status (); | |
661 | ||
662 | frame = get_current_frame (); | |
663 | if (!frame) /* Avoid coredump here. Why tho? */ | |
8a3fe4f8 | 664 | error (_("No current frame")); |
aa0cd9c1 | 665 | step_frame_id = get_frame_id (frame); |
c2d11a7d JM |
666 | |
667 | if (!single_inst) | |
668 | { | |
669 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
670 | if (step_range_end == 0) | |
671 | { | |
672 | char *name; | |
673 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
674 | &step_range_end) == 0) | |
8a3fe4f8 | 675 | error (_("Cannot find bounds of current function")); |
c2d11a7d JM |
676 | |
677 | target_terminal_ours (); | |
a3f17187 | 678 | printf_filtered (_("\ |
c2d11a7d | 679 | Single stepping until exit from function %s, \n\ |
a3f17187 | 680 | which has no line number information.\n"), name); |
c2d11a7d JM |
681 | } |
682 | } | |
683 | else | |
684 | { | |
685 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
686 | step_range_start = step_range_end = 1; | |
687 | if (!skip_subroutines) | |
688 | /* It is stepi. | |
689 | Don't step over function calls, not even to functions lacking | |
690 | line numbers. */ | |
5fbbeb29 | 691 | step_over_calls = STEP_OVER_NONE; |
c2d11a7d JM |
692 | } |
693 | ||
694 | if (skip_subroutines) | |
5fbbeb29 | 695 | step_over_calls = STEP_OVER_ALL; |
c2d11a7d JM |
696 | |
697 | step_multi = (count > 1); | |
698 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
699 | ||
700 | if (!stop_step) | |
701 | break; | |
c2d11a7d JM |
702 | } |
703 | ||
704 | if (!single_inst || skip_subroutines) | |
705 | do_cleanups (cleanups); | |
706 | return; | |
707 | } | |
708 | /* In case of asynchronous target things get complicated, do only | |
709 | one step for now, before returning control to the event loop. Let | |
710 | the continuation figure out how many other steps we need to do, | |
711 | and handle them one at the time, through step_once(). */ | |
712 | else | |
713 | { | |
362646f5 | 714 | if (target_can_async_p ()) |
c2d11a7d | 715 | step_once (skip_subroutines, single_inst, count); |
c906108c | 716 | } |
c2d11a7d | 717 | } |
c906108c | 718 | |
c2d11a7d JM |
719 | /* Called after we are done with one step operation, to check whether |
720 | we need to step again, before we print the prompt and return control | |
721 | to the user. If count is > 1, we will need to do one more call to | |
722 | proceed(), via step_once(). Basically it is like step_once and | |
723 | step_1_continuation are co-recursive. */ | |
724 | static void | |
fba45db2 | 725 | step_1_continuation (struct continuation_arg *arg) |
c2d11a7d | 726 | { |
57e687d9 MS |
727 | int count; |
728 | int skip_subroutines; | |
729 | int single_inst; | |
730 | ||
731 | skip_subroutines = arg->data.integer; | |
732 | single_inst = arg->next->data.integer; | |
733 | count = arg->next->next->data.integer; | |
734 | ||
735 | if (stop_step) | |
e74f0f02 | 736 | step_once (skip_subroutines, single_inst, count - 1); |
57e687d9 MS |
737 | else |
738 | if (!single_inst || skip_subroutines) | |
739 | do_exec_cleanups (ALL_CLEANUPS); | |
c2d11a7d JM |
740 | } |
741 | ||
742 | /* Do just one step operation. If count >1 we will have to set up a | |
743 | continuation to be done after the target stops (after this one | |
744 | step). This is useful to implement the 'step n' kind of commands, in | |
745 | case of asynchronous targets. We had to split step_1 into two parts, | |
746 | one to be done before proceed() and one afterwards. This function is | |
747 | called in case of step n with n>1, after the first step operation has | |
748 | been completed.*/ | |
749 | static void | |
0d06e24b | 750 | step_once (int skip_subroutines, int single_inst, int count) |
c2d11a7d | 751 | { |
0d06e24b JM |
752 | struct continuation_arg *arg1; |
753 | struct continuation_arg *arg2; | |
754 | struct continuation_arg *arg3; | |
755 | struct frame_info *frame; | |
c2d11a7d JM |
756 | |
757 | if (count > 0) | |
c906108c SS |
758 | { |
759 | clear_proceed_status (); | |
760 | ||
761 | frame = get_current_frame (); | |
c5aa993b | 762 | if (!frame) /* Avoid coredump here. Why tho? */ |
8a3fe4f8 | 763 | error (_("No current frame")); |
aa0cd9c1 | 764 | step_frame_id = get_frame_id (frame); |
c906108c | 765 | |
c5aa993b | 766 | if (!single_inst) |
c906108c SS |
767 | { |
768 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
5fbbeb29 CF |
769 | |
770 | /* If we have no line info, switch to stepi mode. */ | |
771 | if (step_range_end == 0 && step_stop_if_no_debug) | |
772 | { | |
773 | step_range_start = step_range_end = 1; | |
774 | } | |
775 | else if (step_range_end == 0) | |
c906108c SS |
776 | { |
777 | char *name; | |
778 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
779 | &step_range_end) == 0) | |
8a3fe4f8 | 780 | error (_("Cannot find bounds of current function")); |
c906108c SS |
781 | |
782 | target_terminal_ours (); | |
a3f17187 | 783 | printf_filtered (_("\ |
c906108c | 784 | Single stepping until exit from function %s, \n\ |
a3f17187 | 785 | which has no line number information.\n"), name); |
c906108c SS |
786 | } |
787 | } | |
788 | else | |
789 | { | |
790 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
791 | step_range_start = step_range_end = 1; | |
792 | if (!skip_subroutines) | |
793 | /* It is stepi. | |
794 | Don't step over function calls, not even to functions lacking | |
795 | line numbers. */ | |
5fbbeb29 | 796 | step_over_calls = STEP_OVER_NONE; |
c906108c SS |
797 | } |
798 | ||
799 | if (skip_subroutines) | |
5fbbeb29 | 800 | step_over_calls = STEP_OVER_ALL; |
c906108c SS |
801 | |
802 | step_multi = (count > 1); | |
c2d11a7d JM |
803 | arg1 = |
804 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
805 | arg2 = | |
806 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
807 | arg3 = | |
808 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
809 | arg1->next = arg2; | |
57e687d9 | 810 | arg1->data.integer = skip_subroutines; |
c2d11a7d | 811 | arg2->next = arg3; |
57e687d9 | 812 | arg2->data.integer = single_inst; |
c2d11a7d | 813 | arg3->next = NULL; |
57e687d9 | 814 | arg3->data.integer = count; |
c2d11a7d | 815 | add_intermediate_continuation (step_1_continuation, arg1); |
2acceee2 | 816 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c | 817 | } |
c906108c | 818 | } |
c2d11a7d | 819 | |
c906108c SS |
820 | \f |
821 | /* Continue program at specified address. */ | |
822 | ||
823 | static void | |
fba45db2 | 824 | jump_command (char *arg, int from_tty) |
c906108c | 825 | { |
52f0bd74 | 826 | CORE_ADDR addr; |
c906108c SS |
827 | struct symtabs_and_lines sals; |
828 | struct symtab_and_line sal; | |
829 | struct symbol *fn; | |
830 | struct symbol *sfn; | |
43ff13b4 | 831 | int async_exec = 0; |
c5aa993b | 832 | |
c906108c SS |
833 | ERROR_NO_INFERIOR; |
834 | ||
43ff13b4 JM |
835 | /* Find out whether we must run in the background. */ |
836 | if (arg != NULL) | |
837 | async_exec = strip_bg_char (&arg); | |
838 | ||
839 | /* If we must run in the background, but the target can't do it, | |
840 | error out. */ | |
362646f5 | 841 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 842 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
843 | |
844 | /* If we are not asked to run in the bg, then prepare to run in the | |
845 | foreground, synchronously. */ | |
362646f5 | 846 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 847 | { |
43ff13b4 | 848 | /* Simulate synchronous execution */ |
6426a772 | 849 | async_disable_stdin (); |
43ff13b4 JM |
850 | } |
851 | ||
c906108c | 852 | if (!arg) |
e2e0b3e5 | 853 | error_no_arg (_("starting address")); |
c906108c SS |
854 | |
855 | sals = decode_line_spec_1 (arg, 1); | |
856 | if (sals.nelts != 1) | |
857 | { | |
8a3fe4f8 | 858 | error (_("Unreasonable jump request")); |
c906108c SS |
859 | } |
860 | ||
861 | sal = sals.sals[0]; | |
b8c9b27d | 862 | xfree (sals.sals); |
c906108c SS |
863 | |
864 | if (sal.symtab == 0 && sal.pc == 0) | |
8a3fe4f8 | 865 | error (_("No source file has been specified.")); |
c906108c | 866 | |
c5aa993b | 867 | resolve_sal_pc (&sal); /* May error out */ |
c906108c SS |
868 | |
869 | /* See if we are trying to jump to another function. */ | |
870 | fn = get_frame_function (get_current_frame ()); | |
871 | sfn = find_pc_function (sal.pc); | |
872 | if (fn != NULL && sfn != fn) | |
873 | { | |
874 | if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line, | |
de5ad195 | 875 | SYMBOL_PRINT_NAME (fn))) |
c906108c | 876 | { |
8a3fe4f8 | 877 | error (_("Not confirmed.")); |
c906108c SS |
878 | /* NOTREACHED */ |
879 | } | |
880 | } | |
881 | ||
c5aa993b | 882 | if (sfn != NULL) |
c906108c SS |
883 | { |
884 | fixup_symbol_section (sfn, 0); | |
c5aa993b | 885 | if (section_is_overlay (SYMBOL_BFD_SECTION (sfn)) && |
c906108c SS |
886 | !section_is_mapped (SYMBOL_BFD_SECTION (sfn))) |
887 | { | |
888 | if (!query ("WARNING!!! Destination is in unmapped overlay! Jump anyway? ")) | |
889 | { | |
8a3fe4f8 | 890 | error (_("Not confirmed.")); |
c906108c SS |
891 | /* NOTREACHED */ |
892 | } | |
893 | } | |
894 | } | |
895 | ||
c906108c SS |
896 | addr = sal.pc; |
897 | ||
898 | if (from_tty) | |
899 | { | |
a3f17187 | 900 | printf_filtered (_("Continuing at ")); |
66bf4b3a | 901 | deprecated_print_address_numeric (addr, 1, gdb_stdout); |
c906108c SS |
902 | printf_filtered (".\n"); |
903 | } | |
904 | ||
905 | clear_proceed_status (); | |
906 | proceed (addr, TARGET_SIGNAL_0, 0); | |
907 | } | |
c906108c | 908 | \f |
c5aa993b | 909 | |
c906108c SS |
910 | /* Go to line or address in current procedure */ |
911 | static void | |
fba45db2 | 912 | go_command (char *line_no, int from_tty) |
c906108c | 913 | { |
c5aa993b | 914 | if (line_no == (char *) NULL || !*line_no) |
b83266a0 | 915 | printf_filtered (GO_USAGE); |
c906108c SS |
916 | else |
917 | { | |
b83266a0 SS |
918 | tbreak_command (line_no, from_tty); |
919 | jump_command (line_no, from_tty); | |
c906108c SS |
920 | } |
921 | } | |
c906108c | 922 | \f |
c5aa993b | 923 | |
c906108c SS |
924 | /* Continue program giving it specified signal. */ |
925 | ||
926 | static void | |
fba45db2 | 927 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
928 | { |
929 | enum target_signal oursig; | |
930 | ||
931 | dont_repeat (); /* Too dangerous. */ | |
932 | ERROR_NO_INFERIOR; | |
933 | ||
934 | if (!signum_exp) | |
e2e0b3e5 | 935 | error_no_arg (_("signal number")); |
c906108c SS |
936 | |
937 | /* It would be even slicker to make signal names be valid expressions, | |
938 | (the type could be "enum $signal" or some such), then the user could | |
939 | assign them to convenience variables. */ | |
940 | oursig = target_signal_from_name (signum_exp); | |
941 | ||
942 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
943 | { | |
944 | /* No, try numeric. */ | |
bb518678 | 945 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
946 | |
947 | if (num == 0) | |
948 | oursig = TARGET_SIGNAL_0; | |
949 | else | |
950 | oursig = target_signal_from_command (num); | |
951 | } | |
952 | ||
953 | if (from_tty) | |
954 | { | |
955 | if (oursig == TARGET_SIGNAL_0) | |
a3f17187 | 956 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 957 | else |
a3f17187 | 958 | printf_filtered (_("Continuing with signal %s.\n"), |
c906108c SS |
959 | target_signal_to_name (oursig)); |
960 | } | |
961 | ||
962 | clear_proceed_status (); | |
963 | /* "signal 0" should not get stuck if we are stopped at a breakpoint. | |
964 | FIXME: Neither should "signal foo" but when I tried passing | |
965 | (CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't | |
966 | tried to track down yet. */ | |
2acceee2 | 967 | proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0); |
c906108c SS |
968 | } |
969 | ||
c906108c SS |
970 | /* Proceed until we reach a different source line with pc greater than |
971 | our current one or exit the function. We skip calls in both cases. | |
972 | ||
973 | Note that eventually this command should probably be changed so | |
974 | that only source lines are printed out when we hit the breakpoint | |
975 | we set. This may involve changes to wait_for_inferior and the | |
976 | proceed status code. */ | |
977 | ||
c906108c | 978 | static void |
fba45db2 | 979 | until_next_command (int from_tty) |
c906108c SS |
980 | { |
981 | struct frame_info *frame; | |
982 | CORE_ADDR pc; | |
983 | struct symbol *func; | |
984 | struct symtab_and_line sal; | |
c5aa993b | 985 | |
c906108c SS |
986 | clear_proceed_status (); |
987 | ||
988 | frame = get_current_frame (); | |
989 | ||
990 | /* Step until either exited from this function or greater | |
991 | than the current line (if in symbolic section) or pc (if | |
992 | not). */ | |
993 | ||
994 | pc = read_pc (); | |
995 | func = find_pc_function (pc); | |
c5aa993b | 996 | |
c906108c SS |
997 | if (!func) |
998 | { | |
999 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 1000 | |
c906108c | 1001 | if (msymbol == NULL) |
8a3fe4f8 | 1002 | error (_("Execution is not within a known function.")); |
c5aa993b | 1003 | |
c906108c SS |
1004 | step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
1005 | step_range_end = pc; | |
1006 | } | |
1007 | else | |
1008 | { | |
1009 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1010 | |
c906108c SS |
1011 | step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1012 | step_range_end = sal.end; | |
1013 | } | |
c5aa993b | 1014 | |
5fbbeb29 | 1015 | step_over_calls = STEP_OVER_ALL; |
aa0cd9c1 | 1016 | step_frame_id = get_frame_id (frame); |
c906108c SS |
1017 | |
1018 | step_multi = 0; /* Only one call to proceed */ | |
c5aa993b | 1019 | |
2acceee2 | 1020 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c SS |
1021 | } |
1022 | ||
c5aa993b | 1023 | static void |
fba45db2 | 1024 | until_command (char *arg, int from_tty) |
c906108c | 1025 | { |
43ff13b4 JM |
1026 | int async_exec = 0; |
1027 | ||
c906108c | 1028 | if (!target_has_execution) |
8a3fe4f8 | 1029 | error (_("The program is not running.")); |
43ff13b4 JM |
1030 | |
1031 | /* Find out whether we must run in the background. */ | |
1032 | if (arg != NULL) | |
1033 | async_exec = strip_bg_char (&arg); | |
1034 | ||
1035 | /* If we must run in the background, but the target can't do it, | |
1036 | error out. */ | |
362646f5 | 1037 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1038 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1039 | |
1040 | /* If we are not asked to run in the bg, then prepare to run in the | |
1041 | foreground, synchronously. */ | |
362646f5 | 1042 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1043 | { |
43ff13b4 | 1044 | /* Simulate synchronous execution */ |
6426a772 | 1045 | async_disable_stdin (); |
43ff13b4 JM |
1046 | } |
1047 | ||
c906108c | 1048 | if (arg) |
ae66c1fc | 1049 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1050 | else |
1051 | until_next_command (from_tty); | |
1052 | } | |
ae66c1fc EZ |
1053 | |
1054 | static void | |
1055 | advance_command (char *arg, int from_tty) | |
1056 | { | |
1057 | int async_exec = 0; | |
1058 | ||
1059 | if (!target_has_execution) | |
8a3fe4f8 | 1060 | error (_("The program is not running.")); |
ae66c1fc EZ |
1061 | |
1062 | if (arg == NULL) | |
e2e0b3e5 | 1063 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1064 | |
1065 | /* Find out whether we must run in the background. */ | |
1066 | if (arg != NULL) | |
1067 | async_exec = strip_bg_char (&arg); | |
1068 | ||
1069 | /* If we must run in the background, but the target can't do it, | |
1070 | error out. */ | |
362646f5 | 1071 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1072 | error (_("Asynchronous execution not supported on this target.")); |
ae66c1fc EZ |
1073 | |
1074 | /* If we are not asked to run in the bg, then prepare to run in the | |
1075 | foreground, synchronously. */ | |
362646f5 | 1076 | if (!async_exec && target_can_async_p ()) |
ae66c1fc EZ |
1077 | { |
1078 | /* Simulate synchronous execution. */ | |
1079 | async_disable_stdin (); | |
1080 | } | |
1081 | ||
1082 | until_break_command (arg, from_tty, 1); | |
1083 | } | |
c906108c | 1084 | \f |
f941662f MK |
1085 | /* Print the result of a function at the end of a 'finish' command. */ |
1086 | ||
11cf8741 | 1087 | static void |
bb472c1e | 1088 | print_return_value (int struct_return, struct type *value_type) |
11cf8741 | 1089 | { |
31db7b6c | 1090 | struct gdbarch *gdbarch = current_gdbarch; |
bb472c1e MK |
1091 | struct cleanup *old_chain; |
1092 | struct ui_stream *stb; | |
44e5158b AC |
1093 | struct value *value; |
1094 | ||
1095 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); | |
11cf8741 | 1096 | |
92ad9cd9 AC |
1097 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1098 | call, it's possible (with no help from the architecture vector) | |
1099 | to locate and return/print a "struct return" value. This is just | |
1100 | a more complicated case of what is already being done in in the | |
1101 | inferior function call code. In fact, when inferior function | |
1102 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1103 | |
750eb019 | 1104 | switch (gdbarch_return_value (gdbarch, value_type, NULL, NULL, NULL)) |
44e5158b | 1105 | { |
750eb019 AC |
1106 | case RETURN_VALUE_REGISTER_CONVENTION: |
1107 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
44e5158b | 1108 | value = allocate_value (value_type); |
750eb019 AC |
1109 | CHECK_TYPEDEF (value_type); |
1110 | gdbarch_return_value (current_gdbarch, value_type, stop_registers, | |
990a07ab | 1111 | value_contents_raw (value), NULL); |
750eb019 AC |
1112 | break; |
1113 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1114 | value = NULL; | |
1115 | break; | |
1116 | default: | |
e2e0b3e5 | 1117 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1118 | } |
bb472c1e | 1119 | |
31db7b6c MK |
1120 | if (value) |
1121 | { | |
1122 | /* Print it. */ | |
1123 | stb = ui_out_stream_new (uiout); | |
1124 | old_chain = make_cleanup_ui_out_stream_delete (stb); | |
1125 | ui_out_text (uiout, "Value returned is "); | |
1126 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", | |
1127 | record_latest_value (value)); | |
1128 | ui_out_text (uiout, " = "); | |
1129 | value_print (value, stb->stream, 0, Val_no_prettyprint); | |
1130 | ui_out_field_stream (uiout, "return-value", stb); | |
1131 | ui_out_text (uiout, "\n"); | |
1132 | do_cleanups (old_chain); | |
1133 | } | |
1134 | else | |
1135 | { | |
1136 | ui_out_text (uiout, "Value returned has type: "); | |
1137 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); | |
1138 | ui_out_text (uiout, "."); | |
1139 | ui_out_text (uiout, " Cannot determine contents\n"); | |
1140 | } | |
11cf8741 JM |
1141 | } |
1142 | ||
43ff13b4 | 1143 | /* Stuff that needs to be done by the finish command after the target |
f941662f MK |
1144 | has stopped. In asynchronous mode, we wait for the target to stop |
1145 | in the call to poll or select in the event loop, so it is | |
1146 | impossible to do all the stuff as part of the finish_command | |
1147 | function itself. The only chance we have to complete this command | |
1148 | is in fetch_inferior_event, which is called by the event loop as | |
1149 | soon as it detects that the target has stopped. This function is | |
1150 | called via the cmd_continuation pointer. */ | |
1151 | ||
1152 | static void | |
fba45db2 | 1153 | finish_command_continuation (struct continuation_arg *arg) |
43ff13b4 | 1154 | { |
52f0bd74 | 1155 | struct symbol *function; |
43ff13b4 | 1156 | struct breakpoint *breakpoint; |
0d06e24b | 1157 | struct cleanup *cleanups; |
c5aa993b | 1158 | |
57e687d9 | 1159 | breakpoint = (struct breakpoint *) arg->data.pointer; |
f941662f MK |
1160 | function = (struct symbol *) arg->next->data.pointer; |
1161 | cleanups = (struct cleanup *) arg->next->next->data.pointer; | |
43ff13b4 | 1162 | |
c5aa993b | 1163 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
f941662f | 1164 | && function != NULL) |
43ff13b4 JM |
1165 | { |
1166 | struct type *value_type; | |
43ff13b4 | 1167 | int struct_return; |
f941662f | 1168 | int gcc_compiled; |
43ff13b4 JM |
1169 | |
1170 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1171 | if (!value_type) | |
8e65ff28 | 1172 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 1173 | _("finish_command: function has no target type")); |
c5aa993b | 1174 | |
43ff13b4 JM |
1175 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1176 | { | |
0d06e24b | 1177 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1178 | return; |
1179 | } | |
1180 | ||
f941662f MK |
1181 | CHECK_TYPEDEF (value_type); |
1182 | gcc_compiled = BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)); | |
1183 | struct_return = using_struct_return (value_type, gcc_compiled); | |
43ff13b4 | 1184 | |
11cf8741 | 1185 | print_return_value (struct_return, value_type); |
43ff13b4 | 1186 | } |
f941662f | 1187 | |
0d06e24b | 1188 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1189 | } |
1190 | ||
f941662f MK |
1191 | /* "finish": Set a temporary breakpoint at the place the selected |
1192 | frame will return to, then continue. */ | |
c906108c SS |
1193 | |
1194 | static void | |
fba45db2 | 1195 | finish_command (char *arg, int from_tty) |
c906108c SS |
1196 | { |
1197 | struct symtab_and_line sal; | |
52f0bd74 AC |
1198 | struct frame_info *frame; |
1199 | struct symbol *function; | |
c906108c SS |
1200 | struct breakpoint *breakpoint; |
1201 | struct cleanup *old_chain; | |
0d06e24b | 1202 | struct continuation_arg *arg1, *arg2, *arg3; |
43ff13b4 JM |
1203 | |
1204 | int async_exec = 0; | |
1205 | ||
f941662f | 1206 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1207 | if (arg != NULL) |
1208 | async_exec = strip_bg_char (&arg); | |
1209 | ||
1210 | /* If we must run in the background, but the target can't do it, | |
f941662f | 1211 | error out. */ |
362646f5 | 1212 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1213 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1214 | |
1215 | /* If we are not asked to run in the bg, then prepare to run in the | |
f941662f | 1216 | foreground, synchronously. */ |
362646f5 | 1217 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1218 | { |
f941662f | 1219 | /* Simulate synchronous execution. */ |
6426a772 | 1220 | async_disable_stdin (); |
43ff13b4 | 1221 | } |
c906108c SS |
1222 | |
1223 | if (arg) | |
8a3fe4f8 | 1224 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 1225 | if (!target_has_execution) |
8a3fe4f8 | 1226 | error (_("The program is not running.")); |
6e7f8b9c | 1227 | if (deprecated_selected_frame == NULL) |
8a3fe4f8 | 1228 | error (_("No selected frame.")); |
c906108c | 1229 | |
6e7f8b9c | 1230 | frame = get_prev_frame (deprecated_selected_frame); |
c906108c | 1231 | if (frame == 0) |
8a3fe4f8 | 1232 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c SS |
1233 | |
1234 | clear_proceed_status (); | |
1235 | ||
bdd78e62 AC |
1236 | sal = find_pc_line (get_frame_pc (frame), 0); |
1237 | sal.pc = get_frame_pc (frame); | |
c906108c | 1238 | |
818dd999 | 1239 | breakpoint = set_momentary_breakpoint (sal, get_frame_id (frame), bp_finish); |
c906108c | 1240 | |
362646f5 | 1241 | if (!target_can_async_p ()) |
4d6140d9 | 1242 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
43ff13b4 | 1243 | else |
4d6140d9 | 1244 | old_chain = make_exec_cleanup_delete_breakpoint (breakpoint); |
c906108c SS |
1245 | |
1246 | /* Find the function we will return from. */ | |
1247 | ||
bdd78e62 | 1248 | function = find_pc_function (get_frame_pc (deprecated_selected_frame)); |
c906108c | 1249 | |
f941662f MK |
1250 | /* Print info on the selected frame, including level number but not |
1251 | source. */ | |
c906108c SS |
1252 | if (from_tty) |
1253 | { | |
a3f17187 | 1254 | printf_filtered (_("Run till exit from ")); |
b04f3ab4 | 1255 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION); |
c906108c SS |
1256 | } |
1257 | ||
43ff13b4 JM |
1258 | /* If running asynchronously and the target support asynchronous |
1259 | execution, set things up for the rest of the finish command to be | |
1260 | completed later on, when gdb has detected that the target has | |
f941662f | 1261 | stopped, in fetch_inferior_event. */ |
362646f5 | 1262 | if (target_can_async_p ()) |
43ff13b4 | 1263 | { |
c5aa993b | 1264 | arg1 = |
43ff13b4 | 1265 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
c5aa993b | 1266 | arg2 = |
43ff13b4 | 1267 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
0d06e24b JM |
1268 | arg3 = |
1269 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
43ff13b4 | 1270 | arg1->next = arg2; |
0d06e24b JM |
1271 | arg2->next = arg3; |
1272 | arg3->next = NULL; | |
57e687d9 MS |
1273 | arg1->data.pointer = breakpoint; |
1274 | arg2->data.pointer = function; | |
1275 | arg3->data.pointer = old_chain; | |
43ff13b4 JM |
1276 | add_continuation (finish_command_continuation, arg1); |
1277 | } | |
1278 | ||
f941662f | 1279 | proceed_to_finish = 1; /* We want stop_registers, please... */ |
2acceee2 | 1280 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c | 1281 | |
43ff13b4 | 1282 | /* Do this only if not running asynchronously or if the target |
f941662f MK |
1283 | cannot do async execution. Otherwise, complete this command when |
1284 | the target actually stops, in fetch_inferior_event. */ | |
362646f5 | 1285 | if (!target_can_async_p ()) |
c5aa993b | 1286 | { |
f941662f | 1287 | /* Did we stop at our breakpoint? */ |
c5aa993b | 1288 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
f941662f | 1289 | && function != NULL) |
c5aa993b JM |
1290 | { |
1291 | struct type *value_type; | |
c5aa993b | 1292 | int struct_return; |
f941662f | 1293 | int gcc_compiled; |
c5aa993b JM |
1294 | |
1295 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1296 | if (!value_type) | |
8e65ff28 | 1297 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 1298 | _("finish_command: function has no target type")); |
c5aa993b | 1299 | |
f941662f | 1300 | /* FIXME: Shouldn't we do the cleanups before returning? */ |
c5aa993b JM |
1301 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1302 | return; | |
1303 | ||
f941662f MK |
1304 | CHECK_TYPEDEF (value_type); |
1305 | gcc_compiled = BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)); | |
1306 | struct_return = using_struct_return (value_type, gcc_compiled); | |
c5aa993b | 1307 | |
11cf8741 | 1308 | print_return_value (struct_return, value_type); |
c5aa993b | 1309 | } |
f941662f | 1310 | |
c5aa993b JM |
1311 | do_cleanups (old_chain); |
1312 | } | |
c906108c SS |
1313 | } |
1314 | \f | |
f941662f | 1315 | |
c906108c | 1316 | static void |
fba45db2 | 1317 | program_info (char *args, int from_tty) |
c906108c SS |
1318 | { |
1319 | bpstat bs = stop_bpstat; | |
1320 | int num = bpstat_num (&bs); | |
c5aa993b | 1321 | |
c906108c SS |
1322 | if (!target_has_execution) |
1323 | { | |
a3f17187 | 1324 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
1325 | return; |
1326 | } | |
1327 | ||
1328 | target_files_info (); | |
a3f17187 | 1329 | printf_filtered (_("Program stopped at %s.\n"), |
bb599908 | 1330 | hex_string ((unsigned long) stop_pc)); |
c906108c | 1331 | if (stop_step) |
a3f17187 | 1332 | printf_filtered (_("It stopped after being stepped.\n")); |
c906108c SS |
1333 | else if (num != 0) |
1334 | { | |
1335 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1336 | isn't as strange as it seems. */ |
c906108c SS |
1337 | while (num != 0) |
1338 | { | |
1339 | if (num < 0) | |
1340 | { | |
a3f17187 AC |
1341 | printf_filtered (_("\ |
1342 | It stopped at a breakpoint that has since been deleted.\n")); | |
c906108c SS |
1343 | } |
1344 | else | |
a3f17187 | 1345 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
c906108c SS |
1346 | num = bpstat_num (&bs); |
1347 | } | |
1348 | } | |
1349 | else if (stop_signal != TARGET_SIGNAL_0) | |
1350 | { | |
a3f17187 | 1351 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
c906108c SS |
1352 | target_signal_to_name (stop_signal), |
1353 | target_signal_to_string (stop_signal)); | |
1354 | } | |
1355 | ||
1356 | if (!from_tty) | |
1357 | { | |
a3f17187 AC |
1358 | printf_filtered (_("\ |
1359 | Type \"info stack\" or \"info registers\" for more information.\n")); | |
c906108c SS |
1360 | } |
1361 | } | |
1362 | \f | |
1363 | static void | |
fba45db2 | 1364 | environment_info (char *var, int from_tty) |
c906108c SS |
1365 | { |
1366 | if (var) | |
1367 | { | |
aa1ee363 | 1368 | char *val = get_in_environ (inferior_environ, var); |
c906108c SS |
1369 | if (val) |
1370 | { | |
1371 | puts_filtered (var); | |
1372 | puts_filtered (" = "); | |
1373 | puts_filtered (val); | |
1374 | puts_filtered ("\n"); | |
1375 | } | |
1376 | else | |
1377 | { | |
1378 | puts_filtered ("Environment variable \""); | |
1379 | puts_filtered (var); | |
1380 | puts_filtered ("\" not defined.\n"); | |
1381 | } | |
1382 | } | |
1383 | else | |
1384 | { | |
aa1ee363 | 1385 | char **vector = environ_vector (inferior_environ); |
c906108c SS |
1386 | while (*vector) |
1387 | { | |
1388 | puts_filtered (*vector++); | |
1389 | puts_filtered ("\n"); | |
1390 | } | |
1391 | } | |
1392 | } | |
1393 | ||
1394 | static void | |
fba45db2 | 1395 | set_environment_command (char *arg, int from_tty) |
c906108c | 1396 | { |
52f0bd74 | 1397 | char *p, *val, *var; |
c906108c SS |
1398 | int nullset = 0; |
1399 | ||
1400 | if (arg == 0) | |
e2e0b3e5 | 1401 | error_no_arg (_("environment variable and value")); |
c906108c SS |
1402 | |
1403 | /* Find seperation between variable name and value */ | |
1404 | p = (char *) strchr (arg, '='); | |
1405 | val = (char *) strchr (arg, ' '); | |
1406 | ||
1407 | if (p != 0 && val != 0) | |
1408 | { | |
1409 | /* We have both a space and an equals. If the space is before the | |
c5aa993b JM |
1410 | equals, walk forward over the spaces til we see a nonspace |
1411 | (possibly the equals). */ | |
c906108c SS |
1412 | if (p > val) |
1413 | while (*val == ' ') | |
1414 | val++; | |
1415 | ||
1416 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1417 | take the char following the spaces. */ |
c906108c SS |
1418 | if (p > val) |
1419 | p = val - 1; | |
1420 | } | |
1421 | else if (val != 0 && p == 0) | |
1422 | p = val; | |
1423 | ||
1424 | if (p == arg) | |
e2e0b3e5 | 1425 | error_no_arg (_("environment variable to set")); |
c906108c SS |
1426 | |
1427 | if (p == 0 || p[1] == 0) | |
1428 | { | |
1429 | nullset = 1; | |
1430 | if (p == 0) | |
1431 | p = arg + strlen (arg); /* So that savestring below will work */ | |
1432 | } | |
1433 | else | |
1434 | { | |
1435 | /* Not setting variable value to null */ | |
1436 | val = p + 1; | |
1437 | while (*val == ' ' || *val == '\t') | |
1438 | val++; | |
1439 | } | |
1440 | ||
c5aa993b JM |
1441 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1442 | p--; | |
c906108c SS |
1443 | |
1444 | var = savestring (arg, p - arg); | |
1445 | if (nullset) | |
1446 | { | |
a3f17187 AC |
1447 | printf_filtered (_("\ |
1448 | Setting environment variable \"%s\" to null value.\n"), | |
1449 | var); | |
c906108c SS |
1450 | set_in_environ (inferior_environ, var, ""); |
1451 | } | |
1452 | else | |
1453 | set_in_environ (inferior_environ, var, val); | |
b8c9b27d | 1454 | xfree (var); |
c906108c SS |
1455 | } |
1456 | ||
1457 | static void | |
fba45db2 | 1458 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1459 | { |
1460 | if (var == 0) | |
1461 | { | |
1462 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1463 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 1464 | if (!from_tty || query (_("Delete all environment variables? "))) |
c906108c SS |
1465 | { |
1466 | free_environ (inferior_environ); | |
1467 | inferior_environ = make_environ (); | |
1468 | } | |
1469 | } | |
1470 | else | |
1471 | unset_in_environ (inferior_environ, var); | |
1472 | } | |
1473 | ||
1474 | /* Handle the execution path (PATH variable) */ | |
1475 | ||
1476 | static const char path_var_name[] = "PATH"; | |
1477 | ||
c906108c | 1478 | static void |
fba45db2 | 1479 | path_info (char *args, int from_tty) |
c906108c SS |
1480 | { |
1481 | puts_filtered ("Executable and object file path: "); | |
1482 | puts_filtered (get_in_environ (inferior_environ, path_var_name)); | |
1483 | puts_filtered ("\n"); | |
1484 | } | |
1485 | ||
1486 | /* Add zero or more directories to the front of the execution path. */ | |
1487 | ||
1488 | static void | |
fba45db2 | 1489 | path_command (char *dirname, int from_tty) |
c906108c SS |
1490 | { |
1491 | char *exec_path; | |
1492 | char *env; | |
1493 | dont_repeat (); | |
1494 | env = get_in_environ (inferior_environ, path_var_name); | |
1495 | /* Can be null if path is not set */ | |
1496 | if (!env) | |
1497 | env = ""; | |
4fcf66da | 1498 | exec_path = xstrdup (env); |
c906108c SS |
1499 | mod_path (dirname, &exec_path); |
1500 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
b8c9b27d | 1501 | xfree (exec_path); |
c906108c | 1502 | if (from_tty) |
c5aa993b | 1503 | path_info ((char *) NULL, from_tty); |
c906108c | 1504 | } |
c906108c | 1505 | \f |
c5aa993b | 1506 | |
4782dc19 | 1507 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1508 | registers (print_all == 1) or all non-float and non-vector |
1509 | registers (print_all == 0). | |
c906108c SS |
1510 | |
1511 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1512 | register(s) one per line is good enough. If a different format is |
1513 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
1514 | regs), or there is an existing convention for showing all the | |
1515 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
1516 | provide that format. */ | |
c906108c | 1517 | |
666e11c5 | 1518 | void |
0ab7a791 AC |
1519 | default_print_registers_info (struct gdbarch *gdbarch, |
1520 | struct ui_file *file, | |
1521 | struct frame_info *frame, | |
1522 | int regnum, int print_all) | |
c906108c | 1523 | { |
0ab7a791 AC |
1524 | int i; |
1525 | const int numregs = NUM_REGS + NUM_PSEUDO_REGS; | |
9730f241 | 1526 | char buffer[MAX_REGISTER_SIZE]; |
0ab7a791 | 1527 | |
c906108c SS |
1528 | for (i = 0; i < numregs; i++) |
1529 | { | |
4782dc19 AC |
1530 | /* Decide between printing all regs, non-float / vector regs, or |
1531 | specific reg. */ | |
c5aa993b JM |
1532 | if (regnum == -1) |
1533 | { | |
f9418c0f | 1534 | if (print_all) |
4782dc19 | 1535 | { |
f9418c0f | 1536 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 1537 | continue; |
f9418c0f AC |
1538 | } |
1539 | else | |
1540 | { | |
1541 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
1542 | continue; |
1543 | } | |
c5aa993b JM |
1544 | } |
1545 | else | |
1546 | { | |
1547 | if (i != regnum) | |
1548 | continue; | |
1549 | } | |
c906108c SS |
1550 | |
1551 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 1552 | processor, so don't display anything. */ |
c906108c SS |
1553 | if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0') |
1554 | continue; | |
1555 | ||
0ab7a791 AC |
1556 | fputs_filtered (REGISTER_NAME (i), file); |
1557 | print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file); | |
c906108c SS |
1558 | |
1559 | /* Get the data in raw format. */ | |
9730f241 | 1560 | if (! frame_register_read (frame, i, buffer)) |
c906108c | 1561 | { |
0ab7a791 | 1562 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
1563 | continue; |
1564 | } | |
1565 | ||
0ab7a791 AC |
1566 | /* If virtual format is floating, print it that way, and in raw |
1567 | hex. */ | |
7b83296f | 1568 | if (TYPE_CODE (register_type (current_gdbarch, i)) == TYPE_CODE_FLT) |
c906108c | 1569 | { |
0ab7a791 | 1570 | int j; |
c906108c | 1571 | |
9730f241 | 1572 | val_print (register_type (current_gdbarch, i), buffer, 0, 0, |
0ab7a791 | 1573 | file, 0, 1, 0, Val_pretty_default); |
c906108c | 1574 | |
0ab7a791 | 1575 | fprintf_filtered (file, "\t(raw 0x"); |
3acba339 | 1576 | for (j = 0; j < register_size (current_gdbarch, i); j++) |
c906108c | 1577 | { |
0ab7a791 AC |
1578 | int idx; |
1579 | if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) | |
1580 | idx = j; | |
1581 | else | |
3acba339 | 1582 | idx = register_size (current_gdbarch, i) - 1 - j; |
9730f241 | 1583 | fprintf_filtered (file, "%02x", (unsigned char) buffer[idx]); |
c906108c | 1584 | } |
0ab7a791 | 1585 | fprintf_filtered (file, ")"); |
c906108c | 1586 | } |
c906108c SS |
1587 | else |
1588 | { | |
ab4327e0 | 1589 | /* Print the register in hex. */ |
9730f241 | 1590 | val_print (register_type (current_gdbarch, i), buffer, 0, 0, |
9d84ac84 | 1591 | file, 'x', 1, 0, Val_pretty_default); |
ab4327e0 EZ |
1592 | /* If not a vector register, print it also according to its |
1593 | natural format. */ | |
7b83296f | 1594 | if (TYPE_VECTOR (register_type (current_gdbarch, i)) == 0) |
ab4327e0 | 1595 | { |
9d84ac84 | 1596 | fprintf_filtered (file, "\t"); |
9730f241 | 1597 | val_print (register_type (current_gdbarch, i), buffer, 0, 0, |
9d84ac84 | 1598 | file, 0, 1, 0, Val_pretty_default); |
ab4327e0 | 1599 | } |
c906108c SS |
1600 | } |
1601 | ||
0ab7a791 | 1602 | fprintf_filtered (file, "\n"); |
c906108c SS |
1603 | } |
1604 | } | |
c906108c | 1605 | |
c906108c | 1606 | void |
fba45db2 | 1607 | registers_info (char *addr_exp, int fpregs) |
c906108c SS |
1608 | { |
1609 | int regnum, numregs; | |
52f0bd74 | 1610 | char *end; |
c906108c SS |
1611 | |
1612 | if (!target_has_registers) | |
8a3fe4f8 | 1613 | error (_("The program has no registers now.")); |
6e7f8b9c | 1614 | if (deprecated_selected_frame == NULL) |
8a3fe4f8 | 1615 | error (_("No selected frame.")); |
c906108c SS |
1616 | |
1617 | if (!addr_exp) | |
1618 | { | |
0ab7a791 | 1619 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, |
6e7f8b9c | 1620 | deprecated_selected_frame, -1, fpregs); |
c906108c SS |
1621 | return; |
1622 | } | |
1623 | ||
f9418c0f | 1624 | while (*addr_exp != '\0') |
c5aa993b | 1625 | { |
f9418c0f AC |
1626 | char *start; |
1627 | const char *end; | |
c906108c | 1628 | |
f9418c0f AC |
1629 | /* Keep skipping leading white space. */ |
1630 | if (isspace ((*addr_exp))) | |
1631 | { | |
1632 | addr_exp++; | |
1633 | continue; | |
1634 | } | |
c906108c | 1635 | |
f9418c0f AC |
1636 | /* Discard any leading ``$''. Check that there is something |
1637 | resembling a register following it. */ | |
1638 | if (addr_exp[0] == '$') | |
1639 | addr_exp++; | |
1640 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 1641 | error (_("Missing register name")); |
c906108c | 1642 | |
f9418c0f AC |
1643 | /* Find the start/end of this register name/num/group. */ |
1644 | start = addr_exp; | |
1645 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
1646 | addr_exp++; | |
1647 | end = addr_exp; | |
1648 | ||
1649 | /* Figure out what we've found and display it. */ | |
1650 | ||
1651 | /* A register name? */ | |
1652 | { | |
eb8bc282 AC |
1653 | int regnum = frame_map_name_to_regnum (deprecated_selected_frame, |
1654 | start, end - start); | |
f9418c0f AC |
1655 | if (regnum >= 0) |
1656 | { | |
1657 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
6e7f8b9c | 1658 | deprecated_selected_frame, regnum, fpregs); |
f9418c0f AC |
1659 | continue; |
1660 | } | |
1661 | } | |
1662 | ||
1663 | /* A register number? (how portable is this one?). */ | |
1664 | { | |
1665 | char *endptr; | |
1666 | int regnum = strtol (start, &endptr, 0); | |
1667 | if (endptr == end | |
1668 | && regnum >= 0 | |
1669 | && regnum < NUM_REGS + NUM_PSEUDO_REGS) | |
1670 | { | |
1671 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
6e7f8b9c | 1672 | deprecated_selected_frame, regnum, fpregs); |
f9418c0f AC |
1673 | continue; |
1674 | } | |
1675 | } | |
1676 | ||
1677 | /* A register group? */ | |
1678 | { | |
6c7d17ba AC |
1679 | struct reggroup *group; |
1680 | for (group = reggroup_next (current_gdbarch, NULL); | |
1681 | group != NULL; | |
1682 | group = reggroup_next (current_gdbarch, group)) | |
f9418c0f AC |
1683 | { |
1684 | /* Don't bother with a length check. Should the user | |
1685 | enter a short register group name, go with the first | |
1686 | group that matches. */ | |
6c7d17ba | 1687 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
1688 | break; |
1689 | } | |
6c7d17ba | 1690 | if (group != NULL) |
f9418c0f AC |
1691 | { |
1692 | int regnum; | |
1693 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) | |
1694 | { | |
1695 | if (gdbarch_register_reggroup_p (current_gdbarch, regnum, | |
6c7d17ba | 1696 | group)) |
f9418c0f | 1697 | gdbarch_print_registers_info (current_gdbarch, |
6e7f8b9c | 1698 | gdb_stdout, deprecated_selected_frame, |
f9418c0f AC |
1699 | regnum, fpregs); |
1700 | } | |
1701 | continue; | |
1702 | } | |
1703 | } | |
c906108c | 1704 | |
f9418c0f | 1705 | /* Nothing matched. */ |
8a3fe4f8 | 1706 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 1707 | } |
c906108c SS |
1708 | } |
1709 | ||
1710 | void | |
fba45db2 | 1711 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1712 | { |
1713 | registers_info (addr_exp, 1); | |
1714 | } | |
1715 | ||
a58dd373 | 1716 | static void |
fba45db2 | 1717 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1718 | { |
1719 | registers_info (addr_exp, 0); | |
1720 | } | |
e76f1f2e AC |
1721 | |
1722 | static void | |
1723 | print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, | |
1724 | struct frame_info *frame, const char *args) | |
1725 | { | |
e71ecd70 | 1726 | if (!target_has_registers) |
8a3fe4f8 | 1727 | error (_("The program has no registers now.")); |
6e7f8b9c | 1728 | if (deprecated_selected_frame == NULL) |
8a3fe4f8 | 1729 | error (_("No selected frame.")); |
e71ecd70 | 1730 | |
e76f1f2e AC |
1731 | if (gdbarch_print_vector_info_p (gdbarch)) |
1732 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
1733 | else | |
1734 | { | |
1735 | int regnum; | |
1736 | int printed_something = 0; | |
ab4327e0 | 1737 | |
e76f1f2e AC |
1738 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1739 | { | |
f9418c0f | 1740 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
1741 | { |
1742 | printed_something = 1; | |
e76f1f2e | 1743 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
1744 | } |
1745 | } | |
1746 | if (!printed_something) | |
1747 | fprintf_filtered (file, "No vector information\n"); | |
1748 | } | |
1749 | } | |
1750 | ||
1751 | static void | |
1752 | vector_info (char *args, int from_tty) | |
1753 | { | |
6e7f8b9c | 1754 | print_vector_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args); |
e76f1f2e | 1755 | } |
c906108c | 1756 | \f |
c5aa993b | 1757 | |
c906108c SS |
1758 | /* |
1759 | * TODO: | |
1760 | * Should save/restore the tty state since it might be that the | |
1761 | * program to be debugged was started on this tty and it wants | |
1762 | * the tty in some state other than what we want. If it's running | |
1763 | * on another terminal or without a terminal, then saving and | |
1764 | * restoring the tty state is a harmless no-op. | |
1765 | * This only needs to be done if we are attaching to a process. | |
1766 | */ | |
1767 | ||
1768 | /* | |
1769 | attach_command -- | |
1770 | takes a program started up outside of gdb and ``attaches'' to it. | |
1771 | This stops it cold in its tracks and allows us to start debugging it. | |
1772 | and wait for the trace-trap that results from attaching. */ | |
1773 | ||
1774 | void | |
fba45db2 | 1775 | attach_command (char *args, int from_tty) |
c906108c | 1776 | { |
c5aa993b JM |
1777 | char *exec_file; |
1778 | char *full_exec_path = NULL; | |
c906108c | 1779 | |
c5aa993b | 1780 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1781 | |
1782 | if (target_has_execution) | |
1783 | { | |
1784 | if (query ("A program is being debugged already. Kill it? ")) | |
1785 | target_kill (); | |
1786 | else | |
8a3fe4f8 | 1787 | error (_("Not killed.")); |
c906108c SS |
1788 | } |
1789 | ||
4bcff7eb CV |
1790 | /* Clear out solib state. Otherwise the solib state of the previous |
1791 | inferior might have survived and is entirely wrong for the new | |
1792 | target. This has been observed on Linux using glibc 2.3. How to | |
1793 | reproduce: | |
1794 | ||
1795 | bash$ ./foo& | |
1796 | [1] 4711 | |
1797 | bash$ ./foo& | |
1798 | [1] 4712 | |
1799 | bash$ gdb ./foo | |
1800 | [...] | |
1801 | (gdb) attach 4711 | |
1802 | (gdb) detach | |
1803 | (gdb) attach 4712 | |
1804 | Cannot access memory at address 0xdeadbeef | |
1805 | */ | |
1806 | #ifdef CLEAR_SOLIB | |
1807 | CLEAR_SOLIB (); | |
1808 | #endif | |
1809 | ||
c906108c SS |
1810 | target_attach (args, from_tty); |
1811 | ||
1812 | /* Set up the "saved terminal modes" of the inferior | |
1813 | based on what modes we are starting it with. */ | |
1814 | target_terminal_init (); | |
1815 | ||
c906108c SS |
1816 | /* Set up execution context to know that we should return from |
1817 | wait_for_inferior as soon as the target reports a stop. */ | |
1818 | init_wait_for_inferior (); | |
1819 | clear_proceed_status (); | |
c906108c SS |
1820 | |
1821 | /* No traps are generated when attaching to inferior under Mach 3 | |
1822 | or GNU hurd. */ | |
1823 | #ifndef ATTACH_NO_WAIT | |
c54cfec8 EZ |
1824 | /* Careful here. See comments in inferior.h. Basically some OSes |
1825 | don't ignore SIGSTOPs on continue requests anymore. We need a | |
1826 | way for handle_inferior_event to reset the stop_signal variable | |
1827 | after an attach, and this is what STOP_QUIETLY_NO_SIGSTOP is for. */ | |
c0236d92 | 1828 | stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c906108c | 1829 | wait_for_inferior (); |
c0236d92 | 1830 | stop_soon = NO_STOP_QUIETLY; |
c906108c SS |
1831 | #endif |
1832 | ||
1833 | /* | |
1834 | * If no exec file is yet known, try to determine it from the | |
1835 | * process itself. | |
1836 | */ | |
1837 | exec_file = (char *) get_exec_file (0); | |
c5aa993b JM |
1838 | if (!exec_file) |
1839 | { | |
39f77062 | 1840 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); |
c5aa993b JM |
1841 | if (exec_file) |
1842 | { | |
1843 | /* It's possible we don't have a full path, but rather just a | |
1844 | filename. Some targets, such as HP-UX, don't provide the | |
1845 | full path, sigh. | |
1846 | ||
1847 | Attempt to qualify the filename against the source path. | |
1848 | (If that fails, we'll just fall back on the original | |
1849 | filename. Not much more we can do...) | |
1850 | */ | |
1851 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
1852 | full_exec_path = savestring (exec_file, strlen (exec_file)); | |
1853 | ||
1854 | exec_file_attach (full_exec_path, from_tty); | |
1adeb98a | 1855 | symbol_file_add_main (full_exec_path, from_tty); |
c5aa993b | 1856 | } |
c906108c | 1857 | } |
63ed89b4 DJ |
1858 | else |
1859 | { | |
1860 | reopen_exec_file (); | |
1861 | reread_symbols (); | |
1862 | } | |
c906108c SS |
1863 | |
1864 | #ifdef SOLIB_ADD | |
990f9fe3 FF |
1865 | /* Add shared library symbols from the newly attached process, if any. */ |
1866 | SOLIB_ADD ((char *) 0, from_tty, ¤t_target, auto_solib_add); | |
1867 | re_enable_breakpoints_in_shlibs (); | |
c906108c SS |
1868 | #endif |
1869 | ||
1870 | /* Take any necessary post-attaching actions for this platform. | |
c5aa993b | 1871 | */ |
39f77062 | 1872 | target_post_attach (PIDGET (inferior_ptid)); |
c906108c | 1873 | |
79acc9b3 CV |
1874 | /* Install inferior's terminal modes. */ |
1875 | target_terminal_inferior (); | |
1876 | ||
c906108c | 1877 | normal_stop (); |
6426a772 | 1878 | |
9a4105ab AC |
1879 | if (deprecated_attach_hook) |
1880 | deprecated_attach_hook (); | |
c906108c SS |
1881 | } |
1882 | ||
1883 | /* | |
1884 | * detach_command -- | |
1885 | * takes a program previously attached to and detaches it. | |
1886 | * The program resumes execution and will no longer stop | |
1887 | * on signals, etc. We better not have left any breakpoints | |
1888 | * in the program or it'll die when it hits one. For this | |
1889 | * to work, it may be necessary for the process to have been | |
1890 | * previously attached. It *might* work if the program was | |
1891 | * started via the normal ptrace (PTRACE_TRACEME). | |
1892 | */ | |
1893 | ||
1894 | static void | |
fba45db2 | 1895 | detach_command (char *args, int from_tty) |
c906108c | 1896 | { |
1f5d0fc9 | 1897 | dont_repeat (); /* Not for the faint of heart. */ |
c906108c SS |
1898 | target_detach (args, from_tty); |
1899 | #if defined(SOLIB_RESTART) | |
1900 | SOLIB_RESTART (); | |
1901 | #endif | |
9a4105ab AC |
1902 | if (deprecated_detach_hook) |
1903 | deprecated_detach_hook (); | |
c906108c SS |
1904 | } |
1905 | ||
6ad8ae5c DJ |
1906 | /* Disconnect from the current target without resuming it (leaving it |
1907 | waiting for a debugger). | |
1908 | ||
1909 | We'd better not have left any breakpoints in the program or the | |
1910 | next debugger will get confused. Currently only supported for some | |
1911 | remote targets, since the normal attach mechanisms don't work on | |
1912 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
1913 | ||
1914 | static void | |
1915 | disconnect_command (char *args, int from_tty) | |
1916 | { | |
1917 | dont_repeat (); /* Not for the faint of heart */ | |
1918 | target_disconnect (args, from_tty); | |
1919 | #if defined(SOLIB_RESTART) | |
1920 | SOLIB_RESTART (); | |
1921 | #endif | |
9a4105ab AC |
1922 | if (deprecated_detach_hook) |
1923 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
1924 | } |
1925 | ||
43ff13b4 JM |
1926 | /* Stop the execution of the target while running in async mode, in |
1927 | the backgound. */ | |
8b93c638 | 1928 | void |
fba45db2 | 1929 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 1930 | { |
362646f5 | 1931 | if (target_can_async_p ()) |
43ff13b4 | 1932 | { |
c5aa993b | 1933 | dont_repeat (); /* Not for the faint of heart */ |
43ff13b4 JM |
1934 | target_stop (); |
1935 | } | |
1936 | } | |
1937 | ||
c906108c | 1938 | static void |
23e3a7ac AC |
1939 | print_float_info (struct gdbarch *gdbarch, struct ui_file *file, |
1940 | struct frame_info *frame, const char *args) | |
c906108c | 1941 | { |
e71ecd70 | 1942 | if (!target_has_registers) |
8a3fe4f8 | 1943 | error (_("The program has no registers now.")); |
6e7f8b9c | 1944 | if (deprecated_selected_frame == NULL) |
8a3fe4f8 | 1945 | error (_("No selected frame.")); |
e71ecd70 | 1946 | |
23e3a7ac AC |
1947 | if (gdbarch_print_float_info_p (gdbarch)) |
1948 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
1949 | else | |
1950 | { | |
23e3a7ac AC |
1951 | int regnum; |
1952 | int printed_something = 0; | |
ab4327e0 | 1953 | |
23e3a7ac AC |
1954 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1955 | { | |
f9418c0f | 1956 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
1957 | { |
1958 | printed_something = 1; | |
23e3a7ac | 1959 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
1960 | } |
1961 | } | |
1962 | if (!printed_something) | |
1963 | fprintf_filtered (file, "\ | |
1964 | No floating-point info available for this processor.\n"); | |
23e3a7ac AC |
1965 | } |
1966 | } | |
1967 | ||
1968 | static void | |
1969 | float_info (char *args, int from_tty) | |
1970 | { | |
1f5d0fc9 MS |
1971 | print_float_info (current_gdbarch, gdb_stdout, |
1972 | deprecated_selected_frame, args); | |
c906108c SS |
1973 | } |
1974 | \f | |
c906108c | 1975 | static void |
fba45db2 | 1976 | unset_command (char *args, int from_tty) |
c906108c | 1977 | { |
a3f17187 AC |
1978 | printf_filtered (_("\ |
1979 | \"unset\" must be followed by the name of an unset subcommand.\n")); | |
c906108c SS |
1980 | help_list (unsetlist, "unset ", -1, gdb_stdout); |
1981 | } | |
1982 | ||
1983 | void | |
fba45db2 | 1984 | _initialize_infcmd (void) |
c906108c SS |
1985 | { |
1986 | struct cmd_list_element *c; | |
c5aa993b | 1987 | |
c94fdfd0 | 1988 | c = add_com ("tty", class_run, tty_command, |
1bedd215 | 1989 | _("Set terminal for future runs of program being debugged.")); |
5ba2abeb | 1990 | set_cmd_completer (c, filename_completer); |
c906108c | 1991 | |
b4b4ac0b AC |
1992 | add_setshow_optional_filename_cmd ("args", class_run, |
1993 | &inferior_args, _("\ | |
1994 | Set argument list to give program being debugged when it is started."), _("\ | |
1995 | Show argument list to give program being debugged when it is started."), _("\ | |
1996 | Follow this command with any number of args, to be passed to the program."), | |
1997 | notice_args_set, | |
1998 | notice_args_read, | |
1999 | &setlist, &showlist); | |
c906108c | 2000 | |
1a966eab AC |
2001 | c = add_cmd ("environment", no_class, environment_info, _("\ |
2002 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
2003 | With an argument VAR, prints the value of environment variable VAR to\n\ |
2004 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 2005 | environment to be given to the program."), &showlist); |
5ba2abeb | 2006 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2007 | |
2008 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 2009 | _("Complement to certain \"set\" commands."), |
c906108c | 2010 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 2011 | |
1a966eab AC |
2012 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
2013 | Cancel environment variable VAR for the program.\n\ | |
2014 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 2015 | &unsetlist); |
5ba2abeb | 2016 | set_cmd_completer (c, noop_completer); |
c906108c | 2017 | |
1a966eab AC |
2018 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
2019 | Set environment variable value to give the program.\n\ | |
c906108c SS |
2020 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
2021 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 2022 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 2023 | &setlist); |
5ba2abeb | 2024 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2025 | |
1bedd215 AC |
2026 | c = add_com ("path", class_files, path_command, _("\ |
2027 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2028 | $cwd in the path means the current working directory.\n\ |
2029 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2030 | directories, separated by colons. These directories are searched to find\n\ | |
1bedd215 | 2031 | fully linked executable files and separately compiled object files as needed.")); |
5ba2abeb | 2032 | set_cmd_completer (c, filename_completer); |
c906108c | 2033 | |
1a966eab AC |
2034 | c = add_cmd ("paths", no_class, path_info, _("\ |
2035 | Current search path for finding object files.\n\ | |
c906108c SS |
2036 | $cwd in the path means the current working directory.\n\ |
2037 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2038 | directories, separated by colons. These directories are searched to find\n\ | |
1a966eab | 2039 | fully linked executable files and separately compiled object files as needed."), |
c906108c | 2040 | &showlist); |
5ba2abeb | 2041 | set_cmd_completer (c, noop_completer); |
c906108c | 2042 | |
1bedd215 AC |
2043 | add_com ("attach", class_run, attach_command, _("\ |
2044 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2045 | This command attaches to another target, of the same type as your last\n\ |
2046 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2047 | The command may take as argument a process id or a device file.\n\ | |
2048 | For a process id, you must have permission to send the process a signal,\n\ | |
2049 | and it must have the same effective uid as the debugger.\n\ | |
2050 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2051 | program running in the process, looking first in the current working\n\ | |
2052 | directory, or (if not found there) using the source file search path\n\ | |
2053 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 2054 | to specify the program, and to load its symbol table.")); |
c906108c | 2055 | |
1bedd215 AC |
2056 | add_com ("detach", class_run, detach_command, _("\ |
2057 | Detach a process or file previously attached.\n\ | |
c906108c | 2058 | If a process, it is no longer traced, and it continues its execution. If\n\ |
1bedd215 | 2059 | you were debugging a file, the file is closed and gdb no longer accesses it.")); |
c906108c | 2060 | |
1bedd215 AC |
2061 | add_com ("disconnect", class_run, disconnect_command, _("\ |
2062 | Disconnect from a target.\n\ | |
6ad8ae5c | 2063 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 2064 | all targets.")); |
6ad8ae5c | 2065 | |
1bedd215 AC |
2066 | add_com ("signal", class_run, signal_command, _("\ |
2067 | Continue program giving it signal specified by the argument.\n\ | |
2068 | An argument of \"0\" means continue program without giving it a signal.")); | |
c906108c | 2069 | |
1bedd215 AC |
2070 | add_com ("stepi", class_run, stepi_command, _("\ |
2071 | Step one instruction exactly.\n\ | |
2072 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2073 | add_com_alias ("si", "stepi", class_alias, 0); |
2074 | ||
1bedd215 AC |
2075 | add_com ("nexti", class_run, nexti_command, _("\ |
2076 | Step one instruction, but proceed through subroutine calls.\n\ | |
2077 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2078 | add_com_alias ("ni", "nexti", class_alias, 0); |
2079 | ||
1bedd215 AC |
2080 | add_com ("finish", class_run, finish_command, _("\ |
2081 | Execute until selected stack frame returns.\n\ | |
2082 | Upon return, the value returned is printed and put in the value history.")); | |
c906108c | 2083 | |
1bedd215 AC |
2084 | add_com ("next", class_run, next_command, _("\ |
2085 | Step program, proceeding through subroutine calls.\n\ | |
c906108c SS |
2086 | Like the \"step\" command as long as subroutine calls do not happen;\n\ |
2087 | when they do, the call is treated as one instruction.\n\ | |
1bedd215 | 2088 | Argument N means do this N times (or till program stops for another reason).")); |
c906108c SS |
2089 | add_com_alias ("n", "next", class_run, 1); |
2090 | if (xdb_commands) | |
c5aa993b | 2091 | add_com_alias ("S", "next", class_run, 1); |
c906108c | 2092 | |
1bedd215 AC |
2093 | add_com ("step", class_run, step_command, _("\ |
2094 | Step program until it reaches a different source line.\n\ | |
2095 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2096 | add_com_alias ("s", "step", class_run, 1); |
2097 | ||
1bedd215 AC |
2098 | c = add_com ("until", class_run, until_command, _("\ |
2099 | Execute until the program reaches a source line greater than the current\n\ | |
2100 | or a specified location (same args as break command) within the current frame.")); | |
5ba2abeb | 2101 | set_cmd_completer (c, location_completer); |
c906108c | 2102 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 2103 | |
1bedd215 AC |
2104 | c = add_com ("advance", class_run, advance_command, _("\ |
2105 | Continue the program up to the given location (same form as args for break command).\n\ | |
2106 | Execution will also stop upon exit from the current stack frame.")); | |
ae66c1fc EZ |
2107 | set_cmd_completer (c, location_completer); |
2108 | ||
1bedd215 AC |
2109 | c = add_com ("jump", class_run, jump_command, _("\ |
2110 | Continue program being debugged at specified line or address.\n\ | |
c906108c | 2111 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 2112 | for an address to start at.")); |
5ba2abeb | 2113 | set_cmd_completer (c, location_completer); |
c906108c | 2114 | |
b83266a0 | 2115 | if (xdb_commands) |
c94fdfd0 | 2116 | { |
1bedd215 AC |
2117 | c = add_com ("go", class_run, go_command, _("\ |
2118 | Usage: go <location>\n\ | |
c906108c SS |
2119 | Continue program being debugged, stopping at specified line or \n\ |
2120 | address.\n\ | |
2121 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
2122 | expression for an address to start at.\n\ | |
1bedd215 | 2123 | This command is a combination of tbreak and jump.")); |
5ba2abeb | 2124 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 2125 | } |
b83266a0 | 2126 | |
c906108c | 2127 | if (xdb_commands) |
c5aa993b | 2128 | add_com_alias ("g", "go", class_run, 1); |
c906108c | 2129 | |
1bedd215 AC |
2130 | add_com ("continue", class_run, continue_command, _("\ |
2131 | Continue program being debugged, after signal or breakpoint.\n\ | |
c906108c SS |
2132 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
2133 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
1bedd215 | 2134 | the breakpoint won't break until the Nth time it is reached).")); |
c906108c SS |
2135 | add_com_alias ("c", "cont", class_run, 1); |
2136 | add_com_alias ("fg", "cont", class_run, 1); | |
2137 | ||
1bedd215 AC |
2138 | c = add_com ("run", class_run, run_command, _("\ |
2139 | Start debugged program. You may specify arguments to give it.\n\ | |
c906108c SS |
2140 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ |
2141 | Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\ | |
2142 | With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\ | |
2143 | To cancel previous arguments and run with no arguments,\n\ | |
1bedd215 | 2144 | use \"set args\" without arguments.")); |
5ba2abeb | 2145 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2146 | add_com_alias ("r", "run", class_run, 1); |
2147 | if (xdb_commands) | |
2148 | add_com ("R", class_run, run_no_args_command, | |
1bedd215 | 2149 | _("Start debugged program with no arguments.")); |
c906108c | 2150 | |
1bedd215 | 2151 | c = add_com ("start", class_run, start_command, _("\ |
a4d5f2e0 JB |
2152 | Run the debugged program until the beginning of the main procedure.\n\ |
2153 | You may specify arguments to give to your program, just as with the\n\ | |
1bedd215 | 2154 | \"run\" command.")); |
a4d5f2e0 JB |
2155 | set_cmd_completer (c, filename_completer); |
2156 | ||
43ff13b4 | 2157 | add_com ("interrupt", class_run, interrupt_target_command, |
1bedd215 | 2158 | _("Interrupt the execution of the debugged program.")); |
43ff13b4 | 2159 | |
1bedd215 AC |
2160 | add_info ("registers", nofp_registers_info, _("\ |
2161 | List of integer registers and their contents, for selected stack frame.\n\ | |
2162 | Register name as argument means describe only that register.")); | |
7194c49b | 2163 | add_info_alias ("r", "registers", 1); |
c906108c SS |
2164 | |
2165 | if (xdb_commands) | |
1bedd215 AC |
2166 | add_com ("lr", class_info, nofp_registers_info, _("\ |
2167 | List of integer registers and their contents, for selected stack frame.\n\ | |
2168 | Register name as argument means describe only that register.")); | |
2169 | add_info ("all-registers", all_registers_info, _("\ | |
2170 | List of all registers and their contents, for selected stack frame.\n\ | |
2171 | Register name as argument means describe only that register.")); | |
c906108c SS |
2172 | |
2173 | add_info ("program", program_info, | |
1bedd215 | 2174 | _("Execution status of the program.")); |
c906108c SS |
2175 | |
2176 | add_info ("float", float_info, | |
1bedd215 | 2177 | _("Print the status of the floating point unit\n")); |
c906108c | 2178 | |
e76f1f2e | 2179 | add_info ("vector", vector_info, |
1bedd215 | 2180 | _("Print the status of the vector unit\n")); |
e76f1f2e | 2181 | |
c906108c SS |
2182 | inferior_environ = make_environ (); |
2183 | init_environ (inferior_environ); | |
2184 | } |